Do all cats with WS/WS have white spotting?
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Asked By: Hee Lavigne
Date created: Fri, Aug 26, 2022 4:09 AM
Date updated: Mon, Jun 3, 2024 10:06 AM
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Best answer to the question Ā«Do all cats with WS/WS have white spotting?Ā»
Cats with Ws/Ws genotype will have white spotting. They will transmit this white spotting variant to all of their offspring, and all of their offspring are expected to have white spotting.
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We've handpicked 27 related questions for you, similar to Ā«Do all cats with WS/WS have white spotting?Ā» so you can surely find the answer!
What is the genotype of a white-spotted cat?Cats with N/Ws genotype will have white spotting. They will transmit this white spotting variant to 50% of their offspring, and those offspring are expected to be white-spotted. Cats with Ws/Ws genotype will have white spotting.
What does it mean if a cat is WS/W?
As the white spotting allele ws is codominant with the non-white spotting, if a cat is ws/w, it will have white spots but covering a smaller area of its coat when compared to a homozygous ws/ws. Generally, it seems that homozygous cats have more than half of their body covered in white, while heterozygous have less than half.
What is the difference between DW and WS in cats?
Dominant white (DW) and white spotting (Ws) are found across many breeds of cats and result from the insertion of a common āfeline endogenous retrovirusā in the KIT gene. A full 7125bp insertion results in white spotting while a partial insertion results in dominant white.
What is the genotype of a DW/WS cat?
Cats with DW/Ws genotype will be white and may have some degree of hearing impairment. They will transmit a dominant white variant to 50% of their offspring and a white spotting variant to 50% of their offspring.
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How common are white spotting and white spotting in cats?
They will transmit a dominant white variant to 50% of their offspring and a white spotting variant to 50% of their offspring. Dominant white (DW) and white spotting (Ws) are found across many breeds of cats and result from the insertion of a common āfeline endogenous retrovirusā in the KIT gene.
What causes white patterning in cats?
The dominant white and white spotting mutations cause white patterning in cats. Phenotype: The dominant white and white spotting variants cause white patterning in cats. Alleles: N = Normal or non-white, DW = Dominant white, Ws = White spotting
What does DW mean in albinism in cats?
Alleles: N = Normal or non-white, DW = Dominant white, Ws = White spotting Cats with N/N genoytpe are not expected to be white (in the absence of albinism) and cannot transmit a dominant white or white spotting variant to their offspring. Cats with N/DW genotype will be white and may have some degree of hearing impairment.
What is epistatic white in cats?
Dominant ( epistatic) white is a masking gene that overrides all other coat colours and is symbolised with the letters WD. Affected cats could have an underlying coat colour, but the WD gene completely suppresses its expression resulting in white fur. Feline endogenous retrovirus (FERV1) is responsible for the WD and white spotting ( WS) mutations.
What does WS stand for in sports?
Meaning; WS: Win Shares (arcane baseball stat) WS: Water Sports: WS: Will Smith (actor)
What causes white spotting on cats?
White spotting (WS) is the appearance of areas of white on a solid or tabby cat and occurs in both purebred and random-bred cats. The gene responsible is dominant, which means the cat only needs to inherit one copy for white spotting to occur. The white spotting pattern is due to the insertion of feline endogenous retrovirus in the KIT gene.
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How do cats get black and white spots on their skin?
Assuming this litter all shares the same father, the parents would be: The result is two cats kittens inherited the black gene with white spotting, one kitten inherited the dilute blue with white spotting, and the female on the left inherited the black, red and white spotting gene.
Is white spotting dominant or recessive in cats?
The white spotting gene, symbolized by S, is incompletely dominant. Generally speaking, if two dominant alleles ( SS) are inherited, the white spotting will cover more than half of the catās body. If inheriting one dominant and one recessive gene ( Ss ), the cat will have low-to-medium grade white spotting.
Is it possible for a male cat to have white spots?
White in calicos or bicolor cats (orange and white; gray and white; black and white) is from a different gene, known as the spotting gene. No matter how much white is on a cat, itās considered spotting (crazy, right?). White spotting isnāt linked to sex, so males and females can have white in their coat.
Why do cats have odd eyed?
Odd-eyed coloring occurs when the epistatic or major white gene or white spotting genes obstructs melanin granules from accessing an eye during development. The condition rarely occurs in cats without dominant white or white spotting genes.
Can a female calico cat have no white spots?
Since genes are in pairs (one from mom, one from dad), SS and Ss will result in white spotting or āGo white!ā If the female also has XX with orange and black, she will be a calico. A cat with XX of orange and black plus the recessive spotting combo of ss will have no white and be a tortoiseshell!
Is it possible for a white cat to be albino?
A white cat with sapphire or cornflower blue eyes may not be an albino. Do remember that deafness is only associated with the dominant white gene rather than the white spotting gene. Albino cats are technically not white, they simply have no melanin meaning they have no color at all.
Is kit a candidate gene for white spotting in cats?
Pairwise linkage analysis supported linkage of the white spotting with the three chromosome B1 markers but not with the two chromosome A1 markers. This study indicates that KIT, or another gene within the linked region, is a candidate for white spotting in cats.
What are the causes of odd-eyed cats?
Genes leading to all-white or dual colored cats are the reasons behind the cases of odd eyed cat. Odd-eyed coloring occurs when the epistatic or major white gene or white spotting genes obstructs melanin granules from accessing an eye during development. The condition rarely occurs in cats without dominant white or white spotting genes.
What are the phenotypes of ventral white spotting?
Various other white spotting phenotypes show spotting at the ventral midline, such as lockets and belly spots, or white at the extremities, such as gloves and mittens. These other white presentations are anticipated to be allelic to ventral white ( Whiting 1919 ).
Why is my cat odd-eyed?
Genes leading to all-white or dual colored cats are the reasons behind the cases of odd eyed cat. Odd-eyed coloring occurs when the epistatic or major white gene or white spotting genes obstructs melanin granules from accessing an eye during development. The condition rarely occurs in cats without dominant white or white spotting genes.
Which microsatellite markers cause ventral white spotting in cats?
Five feline-derived microsatellite markers were genotyped in a large pedigree of cats that segregates for ventral white spotting. Both KIT and EDNRB cause similar white spotting phenotypes in other species.
Does white spotting affect melanocyte migration in cats?
White spotting pelage and skin phenotypes have been investigated in a variety of mammals. In cats, the white spottinglocus (S), appears to affect melanocyte migration. Heterozygous animals (Ss) have a ventral white pattern (Whiting 1919), not spots, as the name would suggest.
Can microsatellites cause white spotting?
A caveat to using a closed colony or family is that the linkage between microsatellites and white spotting could be specific to that colony or family. White spotting is a heterogeneous phenotype, and similar colour patterns found in other families may be caused by different genes.
Why are white cats more prone to heterochromia?
All-white or white-spotted cats are more likely to carry the heterochromia gene because the dominant white or white spotting gene that makes a cat completely white or bi-colored can interfere with the migration of melanocytes in one of the eyes.
What causes black and white bicolor coat patterns in cats?
Like all cat coat patterns, the black and white bicolor patterns are controlled by genetics. Bicolor coat patterns are present when the cat inherits at least one allele of the āwhite spotting gene.ā
Why does my cat have white spots on her skin?
The white spotting pattern is due to the insertion of feline endogenous retrovirus in the KIT gene. Anecdotal evidence suggests that are homozygous (ie: have two copies of the W S gene) will display more white than heterozygous cats. A full 7125bp insertion results in white spotting while a partial insertion causes dominant white.
Is there a white spotting gene in cats?
White spotting is a heterogeneous phenotype, and similar colour patterns found in other families may be caused by different genes. Testing for linkage in families of different breeds could provide additional evidence for KIT or PDGFRA as candidate genes for white spotting in cats.
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